Edexcel International GCSE (9–1) Science (Double Award) 4SD0 · B-2.91
Structure and function of the eye
- Code
- B-2.91
- In
- B-2j Co-ordination and response
- Topic
- B Biology content
- Course
- International GCSE (9–1) Science (Double Award) 4SD0
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points in B-2j Co-ordination and response
- B-2.80 Responding to environmental change
- B-2.81 Homeostasis
- B-2.82 Stimulus, receptor and effector
- B-2.83 Plant responses to stimuli
- B-2.84 Geotropism and phototropism
- B-2.85 Auxin and phototropism
- B-2.86 Nervous and hormonal communication compared
- B-2.87 The central nervous system
- B-2.88 Nerve impulses and rapid responses
- B-2.89 Neurotransmitters and synapses
- B-2.90 The reflex arc
- B-2.91 Structure and function of the eye
- B-2.92 Focusing and response to light intensity
- B-2.93 Skin and temperature regulation
- B-2.94 Adrenaline, insulin, testosterone, progesterone and oestrogen